staging: rtl8192: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <apais@linux.microsoft.com>
Link: https://lore.kernel.org/r/20200916061939.57976-1-allen.lkml@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c

@@ -1687,9 +1687,9 @@ static short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h,
 	return 1;
 }
 
-static inline void ieee80211_sta_ps(unsigned long data)
+static inline void ieee80211_sta_ps(struct tasklet_struct *t)
 {
-	struct ieee80211_device *ieee = (struct ieee80211_device *)data;
+	struct ieee80211_device *ieee = from_tasklet(ieee, t, ps_task);
 	u32 th, tl;
 	short sleep;
 
@@ -2598,7 +2598,7 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	spin_lock_init(&ieee->mgmt_tx_lock);
 	spin_lock_init(&ieee->beacon_lock);
 
-	tasklet_init(&ieee->ps_task, ieee80211_sta_ps, (unsigned long)ieee);
+	tasklet_setup(&ieee->ps_task, ieee80211_sta_ps);
 }
 
 void ieee80211_softmac_free(struct ieee80211_device *ieee)

drivers/staging/rtl8192u/r8192U_core.c

@@ -2193,7 +2193,7 @@ static void rtl8192_init_priv_lock(struct r8192_priv *priv)
 
 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
 
-static void rtl8192_irq_rx_tasklet(unsigned long data);
+static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t);
 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
 #define DRV_NAME "wlan0"
 static void rtl8192_init_priv_task(struct net_device *dev)
@@ -2214,8 +2214,7 @@ static void rtl8192_init_priv_task(struct net_device *dev)
 			  InitialGainOperateWorkItemCallBack);
 	INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
 
-	tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
-		     (unsigned long)priv);
+	tasklet_setup(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet);
 }
 
 static void rtl8192_get_eeprom_size(struct net_device *dev)
@@ -4647,9 +4646,9 @@ static void rtl8192_rx_cmd(struct sk_buff *skb)
 	}
 }
 
-static void rtl8192_irq_rx_tasklet(unsigned long data)
+static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t)
 {
-	struct r8192_priv *priv = (struct r8192_priv *)data;
+	struct r8192_priv *priv = from_tasklet(priv, t, irq_rx_tasklet);
 	struct sk_buff *skb;
 	struct rtl8192_rx_info *info;